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2012 Oct 13
3
Replace column values in R conditional on values from different column
...e initial NAs. I think R somehow inserted 0 instead of NAs for the gender values which were not supposed to be in that column (i.e. replaced values for females with 0 in the male column) but I don't know why. Thanks!!!!! for(i in 1:length(Health2$CohenSum)){ if (Health2$q_5a[i]==1) Health2$CohenM[i] <- Health2$CohenSum[i] else if (Health2$q_5a[i]==2) Health2$CohenF[i] <- Health2$CohenSum[i] else Health2$CohenF[i] <- NA } -- View this message in context: http://r.789695.n4.nabble.com/Replace-column-values-in-R-conditional-on-values-from-different-column-tp4646087.html Sent...